Photosynthesis of field-grown Arracacha (Arracacia xanthorriza Bancroft) cultivars in relation to root-yield

Jaimez, Ramón E.; Santos, N. T.; Añez, B.; Vásquez, J. Narváez; Espinoza, Wilmer

doi:10.1016/j.scienta.2008.05.027

Cited by 10 publications

(10 citation statements)

References 19 publications

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“…Yield may reach up to 20 t ha -1 (Hermann, 1997). More recent yield estimates for Venezuelan cultivars were 2.7-22 t ha -1 (Jaimez et al, 2008), and 7-8 t ha -1 for arracacha both intercropped and monocultured in Brazil (Heredia-Zárate et al, 2008).…”

Section: Arracacha (Arracacia Xanthorrhiza)mentioning

confidence: 99%

Andean roots and tubers crops as sources of functional foods

Leidi

Altamirano

Mercado

et al. 2018

Journal of Functional Foods

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There are many valuable plant species improved by ancient cultures and cultivated locally but of very limited expansion worldwide. Some are considered neglected and underutilized species, such as the root and tuber crops from the Andes. They constitute traditional energy sources basic for the food security in the region but they also are great source of functional foods and there is a traditional associated knowledge on their nutraceutical properties. In this review, we focus on a few species (ahipa, arracacha, mashua, yacon) evaluated in the LATINCROP project which gathered information regarding their conservation status, cultivation practices and traditional uses and to promote new culinary uses. At the same time, this review covers the latest studies on the food components and their possible nutraceutical properties which may increase the public awareness to promote their adoption.

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Section: Arracacha (Arracacia Xanthorrhiza)mentioning

confidence: 99%

Andean roots and tubers crops as sources of functional foods

Leidi

Altamirano

Mercado

et al. 2018

Journal of Functional Foods

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“…Lawlor (1995) described that these clashing findings could be clarified by the fact that limiting plant and environmental dynamics interact strongly for regulating photosynthesis, which subsequently affects crop yield. Therefore, it is important to improve understanding of the approaches underlying biomass production under different conditions (Jaimez et al 2008).…”

Section: Introductionmentioning

confidence: 99%

The interactive responses of fertigation levels under buried straw layer on growth, physiological traits and fruit yield in tomato plant

Rasool

Guo

Wang

et al. 2019

Journal of Plant Interactions

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The experiments were conducted on tomato plants to study the interactive responses of water levels (W 70% : 70% of water consumption and W 90% : 90% water consumption) and nitrogen rates (N 100% : 100% of recommended and N 80% :80% of N 1.0) under two straw mulching conditions (NS; no straw introduced and WS: with buried straw layer) on growth and physiological parameters for two fruit growing years to assess the interactive responses of fertigation under buried straw layer on the changes in plant fresh and dry biomass, roots biomass, photosynthesis rate (P N), stomatal conductance (G S) and chlorophyll fluorescence of tomato plants. Buried straw layer was proved to improve plant biomass, photosynthesis rate and other physiological traits such as chlorophyll contents (Chl), maximum electron transport rate (ETRmax), maximum quantum yield (F V /F M) and G S under the lower fertilizer (N 80%) and irrigation levels (W 70%). However, increasing fertilizer and irrigation level decreased these parameters significantly (p < .05 to p < .001) under buried straw layer. Conversely, increased fertilizer (N 100%) and irrigation (W 90%) levels increased these parameters significantly (p < .05 to p < .001) under no straw condition. The overall findings revealed that buried straw layer could relieve stress developed by limited irrigation water and fertilizer and benefit plant growth, physiological parameters and fruit yield of tomato plant.

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“…Optimal sunlight will lead to optimal photosynthesis, which will further affect the optimum physiological aspects of plants. The research of Jaimez et al (2008) showed a close relationship between photosynthesis and root growth. Lack of radiation will result in a reduction of quality, such as etiolation and vegetative growth at the expense of edible organs or the lack of production of tubers (Gruda, 2007).…”

Section: Datamentioning

confidence: 94%

Integrated use of GIS, AHP and remote sensing in land use planning for tropical high altitude vegetable crops

Widiatmaka¹

2016

JAH

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In Indonesia, Java Island still contributes a large amount of the total number of vegetables produced. In this tropical country, vegetables are produced in two different agro-ecological conditions, which are high altitude and low altitude. The rapidly increasing population growth has caused the centre's production of high altitude vegetables on Java Island to be increasingly pressured by other types of land utilization. This study was conducted in one of the production centres of tropical high altitude vegetable crops in the upper slope area of Mts Gede-Pangrango, West Java, covering an area of 78,290 ha. The research objective was to delineate the suitable land that is available for high altitude vegetables crops. In the first step, land suitability was analysed using multi-criteria decision-making methodology. The criteria used include those grouped within the parameters of land, topography, climate and ease of management; criterion consists of sub-criteria. The criteria were weighted using the Analytical Hierarchy Process, while sub-criteria were scored according to their contributions to land suitability. The weights of the criteria and scores of the sub-criteria were used for delineating land suitability in a geographic information system model. In the second step, the land availability was analysed by taking into account the constraints of forest area status designation and the spatial pattern of official land use plan map. Results of both analyses were used to delineate suitable and available land for tropical high altitude vegetables crops. The results showed that the amount of land that was suitable and available for tropical high altitude vegetables crops was 23.7% of the analysed area. The area of suitable and available land that is actually not used yet is 9% of the area analysed, which could be recommended for the expansion of vegetable crops. Land that is suitable and available, either land that is already used or land that is not yet used, could be designated as priority lands to be protected from the pressure of non-agricultural land utilization in order to maintain the sustainability of vegetable availability.

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Photosynthesis of field-grown Arracacha (Arracacia xanthorriza Bancroft) cultivars in relation to root-yield

Cited by 10 publications

References 19 publications

Andean roots and tubers crops as sources of functional foods

Andean roots and tubers crops as sources of functional foods

The interactive responses of fertigation levels under buried straw layer on growth, physiological traits and fruit yield in tomato plant

Integrated use of GIS, AHP and remote sensing in land use planning for tropical high altitude vegetable crops

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